package com.tumblr.backboard.example;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import com.facebook.rebound.SpringSystem;
import com.tumblr.backboard.Actor;
import com.tumblr.backboard.MotionProperty;
import com.tumblr.backboard.imitator.MotionImitator;
/**
* Snap a view to either the lower left or lower right corner.
* <p/>
* Created by ericleong on 5/7/14.
*/
public class SnapFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.fragment_snap, container, false);
final View circle = rootView.findViewById(R.id.circle);
new Actor.Builder(SpringSystem.create(), circle)
.addTranslateMotion(MotionProperty.Y)
.addMotion(
new MotionImitator(MotionProperty.X) {
@Override
public void release(MotionEvent event) {
// snap to left or right depending on current location
if (mSpring.getCurrentValue() >
rootView.getMeasuredWidth() / 2 -
circle.getMeasuredWidth() / 2) {
mSpring.setEndValue(rootView.getMeasuredWidth() -
circle.getMeasuredWidth());
} else {
mSpring.setEndValue(0);
}
}
},
View.TRANSLATION_X
)
.build();
return rootView;
}
}
